/*
 * Copyright (c) 2024-2025 Andreas Rudolph <andy@openindex.de>.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package de.openindex.zugferd.manager.utils

const val FALLBACK_CURRENCY = "EUR"

fun getCurrenciesByName(): Map<String, String> {
    return buildMap {
        getCurrencyCodes()
            .forEach {
                put(it, getCurrencyName(it) ?: it)
            }
    }
}

fun getCurrenciesBySymbol(): Map<String, String> {
    return buildMap {
        getCurrencyCodes()
            .sortedBy { it.lowercase() }
            .forEach {
                val symbol = getCurrencySymbol(it)
                put(it, if (symbol != null) "$symbol (${it})" else it)
            }
    }
}

expect fun getCurrencyCodes(): List<String>

expect fun getCurrencyName(currency: String): String?

expect fun getCurrencySymbol(currency: String): String?

expect fun getSystemCurrency(): String

expect fun isValidCurrencyCode(code: String): Boolean
